In her speech Mrs Clinton described Hungary’s democracy as a “masquerade”, saying “illiberal democracy is a contradiction in terms”.

“Democracy also requires free expression and a free press, the rule of law and an independent judiciary. Without these things illiberal democracy is no democracy at all, it is just authoritarianism by another name.”

‘Sowing chaos’

Mrs Clinton, who lost the 2016 presidential contest to Donald Trump, told the audience his US administration had shown “hostility to civil rights”.